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Finding the Fourth Proportional to 57,054.98, 85,583.64 and 17,612.12

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Solution

The fourth proportional to 57,054.98, 85,583.64 and 17,612.12 is: 26,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.98 : 85,583.64 = 17,612.12 : x
  2. Step 2: Convert to fraction form
    57,054.98/85,583.64 = 17,612.12/x
  3. Step 3: Cross multiply
    57,054.98x = 85,583.64 × 17,612.12
  4. Step 4: Simplify right side
    57,054.98x = 1,507,309,337.72
  5. Step 5: Solve for x
    x = 1,507,309,337.72/57,054.98
  6. Step 6: Final answer
    x = 26,418.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.